Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 28

Waxing Gibbous 100%

20:54

04:34

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Good
06 Good
07 Good
08 Good

Sun - Rise: 05:14, Set: 21:00, Transit: 13:06. Moon - Rise: 20:54, Set: 04:34. Civil Dark: 21:44 - 04:30. Nautical Dark: 22:45 - 03:30. Astro Dark: 00:40 - 01:44

Total Clouds (% Sky Obscured)

56
68
74
77
100
100
100
100
100
100
100
100
94
48
96
84
100
89
75
60
9
0
0
0

Low Clouds (% Sky Obscured)

16
23
39
39
37
31
28
27
23
31
4
0
0
0
0
28
19
12
16
17
9
0
0
0

Medium Clouds (% Sky Obscured)

32
32
33
35
65
89
100
96
97
85
84
73
60
32
24
26
66
36
20
3
0
0
0
0

High Clouds (% Sky Obscured)

56
68
59
41
100
100
100
97
100
84
97
100
80
31
91
81
100
72
52
50
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
3
1
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
12
13
13
13
12
12
11
11
10
9
8
7
6
6
6
4
3
4
4
3
3
4
5

Chance of Frost

Temperature (°C)

23
24
25
26
27
28
28
28
28
28
27
27
24
23
22
21
20
19
19
18
17
17
18
21

Feels Like (°C)

21
22
23
24
25
26
26
26
26
26
26
25
23
21
22
20
20
19
18
18
19
19
20
22

Dew Point (°C)

15
15
14
13
13
12
11
10
11
10
10
11
11
11
12
13
13
13
13
13
13
13
12
12

Relative Humidity (%)

62
56
50
45
41
38
35
33
33
32
33
37
44
48
55
60
64
66
70
74
77
76
65
57

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1016
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014

Ozone (du)

324
323
324
325
326
325
326
324
326
327
326
330
332
334
334
334
336
338
338
339
341
338
335
333

Wednesday 29

Full Moon 100%

21:13

05:52

09 Good
10 Good
11 OK
12 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:15, Set: 20:58, Transit: 13:06. Moon - Rise: 21:13, Set: 05:52. Civil Dark: 21:42 - 04:32. Nautical Dark: 22:42 - 03:32. Astro Dark: 00:29 - 01:52

Total Clouds (% Sky Obscured)

13
18
46
40
37
79
86
76
70
87
72
86
46
87
91
84
93
95
89
89
62
87
98
92

Low Clouds (% Sky Obscured)

11
14
28
16
23
24
28
27
22
20
9
0
0
9
21
30
36
24
27
4
0
7
30
25

Medium Clouds (% Sky Obscured)

0
0
27
18
16
15
21
18
15
32
38
41
30
36
37
27
39
41
34
2
48
69
68
68

High Clouds (% Sky Obscured)

2
4
5
8
3
40
40
40
46
86
34
49
13
53
64
56
57
85
59
89
62
76
90
48

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
9
11
12
13
13
13
12
13
13
12
12
10
9
6
5
5
6
7
7
8
10
11

Chance of Frost

Temperature (°C)

23
25
27
28
29
30
30
31
31
30
29
28
26
24
22
21
20
19
18
18
17
17
18
19

Feels Like (°C)

24
25
26
28
28
28
27
27
27
26
25
25
21
23
21
20
19
18
17
17
16
16
16
17

Dew Point (°C)

12
12
11
10
9
9
9
9
8
7
6
7
9
15
15
15
14
14
14
14
14
14
14
13

Relative Humidity (%)

49
44
38
32
29
27
26
25
24
23
23
26
35
57
62
69
71
73
77
79
81
81
77
69

Pressure (mb)

1014
1013
1013
1013
1012
1011
1011
1010
1010
1010
1010
1010
1010
1011
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013

Ozone (du)

331
330
330
329
329
326
325
323
325
326
329
330
329
329
331
332
331
328
325
324
324
324
324
325

Thursday 30

Waning Gibbous 98%

21:27

07:10

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 Bad
16 OK
17 OK
18 OK
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good

Sun - Rise: 05:17, Set: 20:57, Transit: 13:06. Moon - Rise: 21:27, Set: 07:10. Civil Dark: 21:40 - 04:34. Nautical Dark: 22:40 - 03:35. Astro Dark: 00:20 - 02:00

Total Clouds (% Sky Obscured)

90
91
85
89
71
37
47
40
43
34
6
0
2
0
0
0
0
0
0
0
0
3
8
11

Low Clouds (% Sky Obscured)

39
57
34
36
34
27
33
30
34
34
2
0
1
0
0
0
0
0
0
0
0
0
5
11

Medium Clouds (% Sky Obscured)

37
51
55
35
48
22
26
19
13
17
3
0
0
0
0
0
0
0
0
0
0
2
1
1

High Clouds (% Sky Obscured)

40
30
25
20
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
11
12
13
13
13
14
14
14
15
15
13
11
10
9
7
6
6
6
5
5
5
4
5

Chance of Frost

Temperature (°C)

20
21
22
23
23
24
24
25
25
24
23
21
19
17
15
14
13
12
11
11
10
10
12
14

Feels Like (°C)

17
18
18
19
19
20
21
21
21
20
19
17
16
14
14
14
13
12
11
10
9
10
11
13

Dew Point (°C)

11
11
9
5
3
1
2
3
3
4
4
2
4
5
5
6
6
6
6
6
6
5
4
3

Relative Humidity (%)

56
51
41
31
26
23
22
23
25
27
28
29
37
46
50
57
61
65
68
72
73
72
60
49

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1016
1017
1017
1018
1019
1019
1019
1019
1019
1019
1019
1020
1020

Ozone (du)

326
327
329
330
334
338
343
348
349
348
349
350
350
350
350
350
351
355
357
356
355
355
356
360

Friday 31

Waning Gibbous 94%

21:38

08:27

09 Good
10 Good
11 Good
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 OK
04 OK
05 Good
06 Good
07 Good
08 Good

Sun - Rise: 05:18, Set: 20:55, Transit: 13:06. Moon - Rise: 21:38, Set: 08:27. Civil Dark: 21:38 - 04:36. Nautical Dark: 22:37 - 03:38. Astro Dark: 00:12 - 02:07

Total Clouds (% Sky Obscured)

15
17
18
22
24
28
35
34
33
39
64
85
86
91
90
80
59
41
29
22
16
10
13
16

Low Clouds (% Sky Obscured)

15
17
18
19
13
7
2
1
1
11
27
40
1
1
1
0
0
0
0
2
4
6
5
2

Medium Clouds (% Sky Obscured)

0
2
3
4
10
16
19
15
13
12
18
85
30
32
34
33
30
31
28
22
14
8
11
15

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
22
43
60
75
70
55
25
13
5
5
4
2
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
7
8
9
9
8
8
9
9
8
5
12
8
6
7
7
7
6
6
6
5
5
5

Chance of Frost

Temperature (°C)

16
18
19
21
22
22
23
24
24
23
23
21
19
17
16
15
15
14
14
13
13
13
13
16

Feels Like (°C)

16
18
19
20
21
21
22
22
22
21
21
19
14
15
15
14
14
13
13
13
12
12
12
15

Dew Point (°C)

3
3
3
2
2
1
1
1
-0
-1
-0
1
3
6
9
9
8
7
6
6
6
6
6
7

Relative Humidity (%)

40
36
32
29
27
24
23
21
20
20
21
26
33
49
63
67
64
62
61
60
61
61
59
55

Pressure (mb)

1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

359
357
358
358
357
355
355
354
356
356
356
356
359
364
369
364
358
359
357
356
356
355
353
354

Saturday 1

Waning Gibbous 88%

21:48

No Set

09 OK
10 OK
11 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:20, Set: 20:53, Transit: 13:06. Moon - Rise: 21:48, Set: No Set. Civil Dark: 21:36 - 04:38. Nautical Dark: 22:34 - 03:40. Astro Dark: 00:05 - 02:13

Total Clouds (% Sky Obscured)

21
28
38
45
54
54
59
65
70
98
74
72
66
73
77
100
100
100
100
100
99
99
99
98

Low Clouds (% Sky Obscured)

0
0
0
0
1
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
4
8

Medium Clouds (% Sky Obscured)

19
22
27
32
29
29
25
25
26
30
31
36
36
39
41
39
36
33
35
52
73
96
79
59

High Clouds (% Sky Obscured)

0
2
4
5
17
25
34
38
46
97
36
24
12
26
43
100
100
100
100
90
80
72
80
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
2
2
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
7
8
9
9
10
11
10
10
8
4
4
4
5
6
5
5
4
4
5
5
5
4

Chance of Frost

Temperature (°C)

18
20
21
23
24
24
24
24
23
22
22
20
18
17
16
16
15
15
15
15
15
16
16
17

Feels Like (°C)

16
18
19
21
21
21
21
21
20
19
19
21
19
17
16
15
13
13
13
12
12
12
12
15

Dew Point (°C)

7
7
7
6
5
4
3
4
3
3
4
7
9
8
9
10
10
10
10
10
10
10
9
9

Relative Humidity (%)

49
42
38
34
30
27
26
26
26
28
32
43
56
57
60
66
72
73
73
74
70
66
63
57

Pressure (mb)

1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016

Ozone (du)

357
358
355
351
349
346
343
340
337
334
333
334
333
331
330
330
330
331
331
332
331
330
329
329

Sunday 2

Waning Gibbous 80%

21:58

09:45

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:22, Set: 20:52, Transit: 13:06. Moon - Rise: 21:58, Set: 09:45. Civil Dark: 21:34 - 04:40. Nautical Dark: 22:32 - 03:43. Astro Dark: 23:59 - 02:18

Total Clouds (% Sky Obscured)

98
97
95
93
94
95
96
98
99
100
93
89
88
88
89
96
96
97
95
88
92
100
100
100

Low Clouds (% Sky Obscured)

12
6
3
0
0
0
1
2
3
7
12
21
26
40
57
76
78
83
81
68
56
48
41
28

Medium Clouds (% Sky Obscured)

40
39
39
35
37
39
45
52
61
62
68
70
76
71
66
58
49
44
43
39
27
24
36
51

High Clouds (% Sky Obscured)

97
81
62
36
33
43
53
68
86
100
93
89
82
84
89
95
96
93
91
88
92
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
2
8
10
9
6
0
9
14
17
24
29
33
45
55
61
61
60
58
49
33
9
16
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.3
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

4
6
6
6
7
7
9
10
11
12
14
11
9
8
7
6
6
6
7
8
8
8
8
9

Chance of Frost

Temperature (°C)

19
21
21
22
23
23
23
24
23
22
21
20
19
18
17
17
17
17
17
17
17
18
18
19

Feels Like (°C)

16
16
16
17
18
22
21
21
20
21
20
17
16
15
16
16
17
15
16
16
16
15
15
17

Dew Point (°C)

9
9
10
10
10
11
11
12
12
12
13
12
11
10
11
12
13
13
14
14
14
14
14
14

Relative Humidity (%)

52
48
47
46
45
45
46
46
50
54
58
59
59
60
66
71
78
78
81
82
81
79
78
70

Pressure (mb)

1016
1015
1015
1015
1014
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1009
1009

Ozone (du)

328
328
328
328
329
329
329
329
329
329
329
329
329
328
328
327
327
326
326
326
326
326
326
326

Monday 3

Waning Gibbous 71%

22:08

11:04

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:23, Set: 20:50, Transit: 13:06. Moon - Rise: 22:08, Set: 11:04. Civil Dark: 21:32 - 04:42. Nautical Dark: 22:29 - 03:45. Astro Dark: 23:53 - 02:23

Total Clouds (% Sky Obscured)

100
100
100
100
96
93
93
91
88
86
79
72
65
66
74
78
84
90
97
95
94
93

Low Clouds (% Sky Obscured)

26
25
20
19
17
10
9
18
19
27
24
18
0
0
0
0
14
28
43
36
27
15

Medium Clouds (% Sky Obscured)

66
63
60
59
68
80
93
87
84
80
77
72
65
55
44
35
39
41
47
61
76
90

High Clouds (% Sky Obscured)

100
100
100
100
73
53
55
60
55
55
50
50
55
57
55
45
38
31
19
30
31
32

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

18
19
16
3
15
15
11
11
10
1
1
0
0
0
0
0
2
2
1
1
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
11
12
13
14
15
16
16
16
16
14
13
11
11
10
10
9
8
7
7
7

Chance of Frost

Temperature (°C)

20
21
22
24
25
25
25
26
25
23
22
21
20
18
17
16
15
14
14
13
13
13

Feels Like (°C)

17
18
19
20
21
24
24
23
23
21
21
17
17
16
15
14
14
12
12
12
12
11

Dew Point (°C)

13
12
13
14
15
15
16
17
16
16
16
16
15
15
14
13
12
11
10
9
8
8

Relative Humidity (%)

65
58
56
54
52
54
55
57
60
63
67
71
76
80
81
82
83
80
76
74
71
68

Pressure (mb)

1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1012

Ozone (du)

326
325
326
327
327
327
327
328
329
330
331
331
332
332
331
331
331
329
328
326
327
329

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 28/07/26 09:57:36. Forecast: 28/07/26 to 03/08/26. Timezone: UTC+1.00